2 papers
math.GT2014
Frontiers of sphere recognition in practice
Michael Joswig, Davide Lofano, Frank H. Lutz +1
Sphere recognition is known to be undecidable in dimensions five and beyond, and no polynomial time method is known in dimensions three and four. Here we report on positive and neg…
math.CO2013
Constructing Complicated Spheres
Mimi Tsuruga, Frank H. Lutz
Fast and efficient homology algorithms are in demand in the applied sciences for analyzing solid materials and proteins, processing digital imaging data, or pattern classification…